Colitis, UlcerativeColitisCrohn DiseaseMesalamineColonInflammatory Bowel DiseasesAminosalicylic AcidsIntestinal MucosaProctocolectomy, RestorativeColitis, IschemicDextran SulfateRectumColectomySulfasalazinePouchitisColitis, CollagenousIleostomyGastrointestinal AgentsTrinitrobenzenesulfonic AcidColonic PouchesColitis, MicroscopicColonoscopyEnemaColitis, LymphocyticCholangitis, SclerosingAzathioprineProctitisMegacolon, ToxicColon, SigmoidAdministration, RectalIleitisAnti-Inflammatory Agents, Non-SteroidalIleumPrednisoloneSigmoidoscopyBiopsyAnti-Inflammatory AgentsColonic NeoplasmsPeroxidaseColonic DiseasesHLA-B52 AntigenProctocolitisAntibodies, Antineutrophil CytoplasmicDefecationFecesCase-Control StudiesSeverity of Illness IndexIntestinesProbioticsNod2 Signaling Adaptor ProteinDisease Models, AnimalTreatment OutcomeAdrenal Cortex HormonesAnal CanalDysentery, AmebicRectal DiseasesImmunosuppressive AgentsPyoderma GangrenosumIntestine, LargeFecal IncontinencePhenylhydrazinesPrecancerous ConditionsRemission InductionColorectal Neoplasms6-MercaptopurineChronic DiseaseDiverticulum, ColonSulfapyridineAdministration, OralAnastomosis, SurgicalDiarrheaInflammationRecurrencePhosphorothioate OligonucleotidesDouble-Blind MethodOxazoloneAminosalicylic AcidSteroidsLeukapheresisColonoscopesAcute DiseaseAcetic AcidAdenomatous Polyposis ColiMucins